BR8301734A - Processo para dissociacao continua de material de fibras vegetais e reator para a execucao do processo - Google Patents

Processo para dissociacao continua de material de fibras vegetais e reator para a execucao do processo

Info

Publication number
BR8301734A
BR8301734A BR8301734A BR8301734A BR8301734A BR 8301734 A BR8301734 A BR 8301734A BR 8301734 A BR8301734 A BR 8301734A BR 8301734 A BR8301734 A BR 8301734A BR 8301734 A BR8301734 A BR 8301734A
Authority
BR
Brazil
Prior art keywords
reactor
execution
fiber material
vegetable fiber
continuous dissociation
Prior art date
Application number
BR8301734A
Other languages
English (en)
Portuguese (pt)
Inventor
Manfred Baumeister
Eugen Edel
Original Assignee
Nicolaus Md Verwaltungsges
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nicolaus Md Verwaltungsges filed Critical Nicolaus Md Verwaltungsges
Publication of BR8301734A publication Critical patent/BR8301734A/pt

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
    • C08B37/0057—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Xylans, i.e. xylosaccharide, e.g. arabinoxylan, arabinofuronan, pentosans; (beta-1,3)(beta-1,4)-D-Xylans, e.g. rhodymenans; Hemicellulose; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
    • C08H6/00—Macromolecular compounds derived from lignin, e.g. tannins, humic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Inorganic Fibers (AREA)
  • Preliminary Treatment Of Fibers (AREA)
BR8301734A 1982-04-06 1983-04-05 Processo para dissociacao continua de material de fibras vegetais e reator para a execucao do processo BR8301734A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3212767A DE3212767A1 (de) 1982-04-06 1982-04-06 Verfahren und reaktor zum kontinuierlichen aufschliessen von pflanzenfasermaterial

Publications (1)

Publication Number Publication Date
BR8301734A true BR8301734A (pt) 1983-12-13

Family

ID=6160352

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8301734A BR8301734A (pt) 1982-04-06 1983-04-05 Processo para dissociacao continua de material de fibras vegetais e reator para a execucao do processo

Country Status (9)

Country Link
US (1) US4496426A (fr)
EP (1) EP0090969B1 (fr)
AU (1) AU564463B2 (fr)
BR (1) BR8301734A (fr)
CA (1) CA1196155A (fr)
DE (2) DE3212767A1 (fr)
FI (1) FI71360C (fr)
NO (1) NO161276C (fr)
ZA (1) ZA832074B (fr)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4746401A (en) * 1983-09-29 1988-05-24 Georgia Tech Research Corp. Process for extracting lignin from lignocellulosic material using an aqueous organic solvent and an acid neutralizing agent
CA1225636A (fr) * 1984-07-13 1987-08-18 Robert P. Chang Methode de saccharification en continu du bois et d'autres matieres lingo-cellulosiques par solvant organique circulant a contre-courant
DE3518005A1 (de) * 1985-05-18 1986-11-20 Kraftanlagen Ag, 6900 Heidelberg Sulfitaufschlussverfahren zur herstellung von zellstoff aus lignozellulosehaltigen materialien mit rueckgewinnung der aufschlusschemikalien
US5788812A (en) * 1985-11-05 1998-08-04 Agar; Richard C. Method of recovering furfural from organic pulping liquor
CA1275286C (fr) * 1986-05-29 1990-10-16 Edward A. Delong Methode d'extraction des composes chimiques de la matiere lignocellulosique dissociee
DE69128059T2 (de) * 1990-08-17 1998-02-26 Alcell Tech Inc Verfahren zum Lösungsmittel-Stetigaufschluss
DE4103572C2 (de) * 1991-02-06 1995-11-23 Organocell Ges Fuer Zellstoff Verfahren zum Delignifizieren von Pflanzenfasermaterial
AT398440B (de) * 1991-10-25 1994-12-27 Waagner Biro Ag Verfahren zur rückgewinnung der chemikalien der kochlauge
CH687393A5 (de) * 1992-05-05 1996-11-29 Granit Sa Kochchemikalienrueckgewinnungsverfahren aus der Schwarzlauge der Zellstoffherstellung.
US5314580A (en) * 1992-07-08 1994-05-24 Mauvin Material & Chemical Processing Limited Process for the removal of ink, resin, and adhesive residues from paper, textile fabrics and solid surfaces
DE4343508C2 (de) * 1993-12-20 1997-08-07 Eugen Edel Chemo-thermo-mechanisches Verfahren zur Herstellung von Zellstoff aus Pflanzenfasermaterial
US5565061A (en) * 1994-06-14 1996-10-15 Salminen; Reijo Method and apparatus for removing scales deposited on the strainer of a pulp digester
US5500084A (en) * 1994-09-21 1996-03-19 Hoffman Environmental Systems, Inc. Method and apparatus for pulping cellulosic material using a vessel with an impergnation zone and an attrition zone
US5650045A (en) * 1994-12-14 1997-07-22 Salminen; Reijo K. Apparatus and method for wood pulp digester
CA2221619A1 (fr) * 1995-06-07 1996-12-19 Gopal C. Goyal Fabrication de pate a papier avec un solvant organique modifie
US5665798A (en) * 1995-12-27 1997-09-09 North Pacific Paper Corporation Composite wood products from solvent extracted wood raw materials
US5698667A (en) * 1995-12-27 1997-12-16 Weyerhaeuser Company Pretreatment of wood particulates for removal of wood extractives
US20020062935A1 (en) * 1995-12-27 2002-05-30 Weyerhaeuser Company Paper and absorbent products with reduced pitch content
US6364999B1 (en) 1995-12-27 2002-04-02 Weyerhaeuser Company Process for producing a wood pulp having reduced pitch content and process and reduced VOC-emissions
SE510706C2 (sv) * 1997-10-16 1999-06-14 Kvaerner Pulping Tech Processystem och förfarande för impregnering och basning av flis innan massakokning
AU2002256189B2 (en) * 2001-04-16 2007-06-21 Buckman Laboratories International, Inc. Process and apparatus for the removal of scale build-up
ES2304468T3 (es) * 2001-11-13 2008-10-16 Metanomics Gmbh Procedimiento para la extraccion de substancias de contenido de material organico.
DE102004037575A1 (de) * 2004-08-03 2006-03-16 Daimlerchrysler Ag Prüfvorrichtung und Prüfverfahren zur fertigungsintegrierbaren, zerstörungsfreien Prüfung insbesondere von Membran-Elektroden-Anordnungen zur Verwendung in Brennsoffzellen
JP2006184237A (ja) * 2004-12-28 2006-07-13 Seiko Instruments Inc 電池電極端子部材及びこれを備えた電子時計
US20080029233A1 (en) * 2006-08-03 2008-02-07 Purevision Technology, Inc. Moving bed biomass fractionation system and method
IL206678A0 (en) 2010-06-28 2010-12-30 Hcl Cleantech Ltd A method for the production of fermentable sugars
PT106039A (pt) * 2010-12-09 2012-10-26 Hcl Cleantech Ltd Processos e sistemas para o processamento de materiais lenhocelulósicos e composições relacionadas
GB2524906B8 (en) 2011-04-07 2016-12-07 Virdia Ltd Lignocellulose conversion processes and products
US9617608B2 (en) 2011-10-10 2017-04-11 Virdia, Inc. Sugar compositions
SG11201407183SA (en) 2012-05-03 2014-12-30 Virdia Ltd Methods for treating lignocellulosic materials
US11078548B2 (en) 2015-01-07 2021-08-03 Virdia, Llc Method for producing xylitol by fermentation
BR112017025322A8 (pt) 2015-05-27 2022-08-23 Virdia Inc Processos integrados para recuperação de hidrolisato celulósico após hidrólise de polpa de celulose
CN109535442A (zh) * 2018-11-27 2019-03-29 重庆从化科技有限公司 用有机溶剂从秸秆中分离木质素、纤维素和半纤维素的方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2166540A (en) * 1937-12-17 1939-07-18 Univ Minnesota Alcoholic treatment of ligneous cellulosic material
NO118248B (fr) * 1961-12-23 1969-12-01 Kamyr Ab
US3585104A (en) * 1968-07-29 1971-06-15 Theodor N Kleinert Organosolv pulping and recovery process
JPS517204A (en) * 1974-07-09 1976-01-21 Nippon Kami Pulp Kenkyusho Kagakuparupuno seizoho
CA1073161A (fr) * 1975-09-05 1980-03-11 Canadian Industries Limited Procede de delignification
CA1079008A (fr) * 1975-10-24 1980-06-10 Cp Associates Limited Procede de fabrication de pate a papier au solvant
DE2644155C2 (de) * 1976-09-30 1978-07-27 Theodor N. Dr. Pointe Claire Quebec Kleinert (Kanada) Kontinuierliches Aufschluß- und Ruckgewinnungsverfahren für pflanzliche Faserrohstoffe zur Herstellung von Zellstoff im organischen Lösungsmittel
SE7612248L (sv) * 1976-11-03 1978-05-04 Mo Och Domsjoe Ab Kokning av lignocellulosahaltiga material
YU41117B (en) * 1977-08-31 1986-12-31 Paszner Laszlo Process for obtaining sugovar, lingnig and cellulose from lignocellulose
DE2855052A1 (de) * 1978-12-20 1980-06-26 Nicolaus Md Papier Verfahren und vorrichtung zum kontinuierlichen aufschliessen von pflanzenfasermaterial
EP0063565A1 (fr) * 1980-10-29 1982-11-03 MARTON, Renata Utilisation de l'ethanol dans le pulpage alcalin

Also Published As

Publication number Publication date
AU564463B2 (en) 1987-08-13
US4496426A (en) 1985-01-29
FI831092A0 (fi) 1983-03-30
NO830747L (no) 1983-10-07
NO161276C (no) 1989-07-26
NO161276B (no) 1989-04-17
FI831092L (fi) 1983-10-07
ZA832074B (en) 1983-12-28
DE3212767A1 (de) 1983-10-06
CA1196155A (fr) 1985-11-05
DE3360706D1 (en) 1985-10-10
AU1316883A (en) 1983-10-13
FI71360B (fi) 1986-09-09
EP0090969B1 (fr) 1985-09-04
EP0090969A1 (fr) 1983-10-12
FI71360C (fi) 1986-12-19

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 05/04/98